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by Hackbraten
1326 days ago
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It’s used for scanning the QR code displayed on the computer (or phone). The QR code contains: - the monetary amount, - parts of the recipient’s account number (both helps thwart MITM attacks) - and a random challenge (which helps prevent replay attacks.) That’s for the wireless model.
Wired CAP devices don’t have a camera since they can use USB. |
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